VB打印控件的简单例子，虽然简单，但可以用来学习下，我也是从网上下载的...

Visual C++实践与提高系列丛书-COM&COM+(源代码)-Visual C Practice and improve Series-COMCOM (source code)

mathematics and statistics for computing students

CJHMath是一个功能超强的用于表达式分析与计算的COM组件。可以对由字符串组成的数值表达式进行多种求值运算。目前本控件支持的功能有：　　1.四则混合运算　　2.逻辑运算　　3.关系运算　　4.常用函数 -CJHMath function is a powerful expression for the analysis and calculation of COM. The string can be formed by the numerical expression of the multi-evaluates computing. Currently the support of the control functions are : 1. Four mixed Operational 2. Logical Operators 3. Relations Operational 4. Common Function

1． 定义一个复数类Complex，该类有代表实部与虚部的成员变量，有两个构造函数Complex（）与Complex（int x,int y）分别完成将成员变量初始化为0及给定值，另有计算复数的加减法及输出复数的三个方法，编程序利用该类完成2+3i与6-8i相加，12+9i与20-8i相减，并利用复数的输出方法将结果输出。-Define a complex number class Complex, the class is represented real and imaginary parts of the member variable, there are two constructor Complex () and the Complex (int x, int y) of the respective member variables will be initialized to 0 and the given value Another calculation of complex addition and subtraction method and output the plural of the three methods, programmed to use the class to complete 2+3 i and 6-8i sum, 12+9 i and subtract 20-8i, and the use of the plural output method results output.

ocx注册的自动实现, 源程序是放在dll的 里面包括shell的实现-automatically registered ocx, dll source code is on the inside, including the realization of shell

查看TypeLibrary里的属性、方法、数据定义 -Inspecting the property , method and definition in TypeLibrary

VB测试例子 -Test examples of VB

一个完整的打印控件，可完成预览等多种功能-a complete Print control can accomplish many functions such as Preview

可用于在网页上打印的控件，调用控件画线和输出文字-can be used to print on the website of the controls, call control line drawing and text output